ASTM A240/ASME SA240 UNS S32100 Stainless Steel 321 Sheet for sales

 

For applications requiring high-temperature resistance, corrosion resistance, and excellent weldability, ASTM A240/ASME SA240 UNS S32100 Stainless Steel 321 Sheet is an outstanding choice. As a leading uns stainless supplier, Gangsteel offers premium sa 240/a 240 uns s32100 sheets, plates, coils, bars, and custom components, all compliant with sa 240/a 240 uns stainless grades standards, including ASTM A240 and ASME SA240. With an inventory exceeding 600 tons and advanced processing capabilities, we ensure rapid delivery and tailored solutions for clients worldwide.

This comprehensive guide explores the ASTM A240/ASME SA240 UNS S32100 chemical composition, mechanical properties, equivalent materials, specifications, applications, and competitive ASTM A240/ASME SA240 UNS S32100 price per kg. Whether you're an engineer designing aerospace components or a procurement specialist sourcing for chemical processing equipment, this article will clarify why 321 stainless steel is a trusted option. Explore our sa 240/a 240 uns stainless grades portfolio for related grades like sa 240/a 240 uns s30400, sa 240/a 240 uns s32109, and sa 240/a 240 uns s34700.

Why Choose ASTM A240/ASME SA240 UNS S32100 Stainless Steel 321 Sheet?

 

ASTM A240/ASME SA240 UNS S32100, commonly known as 321 stainless steel, is an austenitic stainless steel stabilized with titanium, containing 17.0-19.0% chromium and 9.0-12.0% nickel. The titanium addition prevents carbide precipitation during welding, ensuring excellent intergranular corrosion resistance in high-temperature environments up to 900°C (1652°F). This makes 321 stainless steel ideal for applications in aerospace, chemical processing, and power generation industries.

The titanium stabilization gives ASTM A240/ASME SA240 UNS S32100 stainless steel 321 sheet a significant advantage over sa 240/a 240 uns s30400 for high-temperature welded applications, as it maintains corrosion resistance post-welding without requiring annealing. Its robust properties make it a preferred choice for critical applications.

Key benefits of ASTM A240/ASME SA240 UNS S32100 stainless steel 321 sheet include:

• High-Temperature Resistance: Titanium stabilization ensures excellent performance in high-temperature environments, outperforming sa 240/a 240 uns s30400 in applications up to 900°C.
• Superior Weldability: Prevents intergranular corrosion during welding, making it ideal for heavy welding compared to sa 240/a 240 uns s31600.
• Good Corrosion Resistance: Resists corrosion in mild chemical environments, suitable for industrial applications.
• Durability: Maintains structural integrity in cyclic high-temperature conditions, unlike sa 240/a 240 uns s20100.

Case Study: An aerospace manufacturer in India used sa 240/a 240 uns s32100 sheets for welded exhaust components, achieving a 25% longer service life due to its high-temperature corrosion resistance compared to sa 240/a 240 uns s30400.

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ASTM A240/ASME SA240 UNS S32100 Chemical Composition

 

The ASTM A240/ASME SA240 UNS S32100 chemical composition is optimized for high-temperature corrosion resistance, weldability, and strength, compliant with sa 240/a 240 uns stainless grades standards.

The titanium content (5xC min, 0.70% max) stabilizes the alloy against chromium carbide formation, ensuring excellent intergranular corrosion resistance in high-temperature welded applications. The balanced chromium and nickel content provide good corrosion resistance in mild environments.

Element	Percentage (%)
Chromium (Cr)	17.0 – 19.0
Nickel (Ni)	9.0 – 12.0
Titanium (Ti)	5xC min – 0.70
Carbon (C)	≤ 0.08
Manganese (Mn)	≤ 2.0
Silicon (Si)	≤ 0.75
Phosphorus (P)	≤ 0.045
Sulfur (S)	≤ 0.03
Iron (Fe)	Balance (~70%)

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ASTM A240/ASME SA240 UNS S32100 Mechanical Properties

 

The ASTM A240/ASME SA240 UNS S32100 mechanical properties offer a balance of strength, ductility, and high-temperature performance, suitable for demanding applications.

These properties ensure that ASTM A240/ASME SA240 UNS S32100 stainless steel 321 sheet can withstand mechanical stresses in high-temperature environments while maintaining corrosion resistance. Solution annealing at 950-1120°C (1742-2048°F) optimizes UNS S32100 mechanical properties for weldability and durability.

Property	Value at 20°C	Value at 540°C (1000°F)
Tensile Strength (MPa)	≥ 515 (75 ksi)	≥ 380 (55 ksi)
Yield Strength (MPa)	≥ 205 (30 ksi)	≥ 170 (25 ksi)
Elongation (%)	≥ 40	≥ 45
Hardness (HRB)	≤ 95	-
Density	8.0 g/cm³ (0.289 lb/in³)	-

At Gangsteel, we’ve seen clients use sa 240/a 240 uns s32100 sheets in aerospace exhaust systems, where its performance surpasses sa 240/a 240 uns s30400 in high-temperature welded applications.

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ASTM A240/ASME SA240 UNS S32100 Specifications and Forms

 

As a trusted uns stainless supplier, Gangsteel supplies sa 240/a 240 uns s32100 sheets, plates, coils, bars, and custom components, compliant with sa 240/a 240 uns stainless grades standards:

Our advanced processing capabilities ensure precision and quality, meeting the diverse needs of global projects, from standard sizes to custom-cut components.

Sheet and Plate

• Thickness: 0.1 mm to 6 mm (sheet), 0.5 mm to 100 mm (plate)
• Width: Up to 4200 mm
• Length: 2000 mm to 12000 mm (or coiled for sheet)
• Surface Finish: Hot-rolled, cold-rolled, annealed, pickled, 2B, No.1, No.4, BA, or customized
• Standards: ASTM A240, ASME SA240
• Applications: sa 240/a 240 uns s32100 sheets for aerospace exhausts, UNS S32100 plates for chemical reactors

Coil

• Thickness: 0.1 mm to 6 mm
• Width: Up to 2000 mm
• Standards: ASTM A240, ASME SA240
• Applications: Continuous production for welded pipes and tubes

Bar

• Diameter: 6 mm to 500 mm
• Length: Up to 12000 mm
• Finish: Hot-rolled, cold-drawn, centerless ground
• Standards: ASTM A479, ASME SA-479
• Applications: ASTM A240/ASME SA240 UNS S32100 bars for high-temperature fittings

Custom Components

• Types: Flanges (ASME B16.5), fittings, CNC-machined parts, stainless cutting sheet part
• Tolerances: ±0.05 mm for precision components
• Applications: Tailored solutions for aerospace and chemical industries

Note: Need a specific size or finish? Gangsteel offers custom solutions, including precision cutting and heat treatments, to meet sa 240/a 240 uns stainless grades requirements. Contact us at admin@gangsteel.com for bespoke ASTM A240/ASME SA240 UNS S32100 material specifications.

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Applications of ASTM A240/ASME SA240 UNS S32100 Stainless Steel 321 Sheet

 

ASTM A240/ASME SA240 UNS S32100 stainless steel 321 sheetis tailored for industries requiring high-temperature resistance, corrosion resistance, and weldability. Its titanium stabilization ensures excellent performance in welded structures exposed to high temperatures.

Key ASTM A240/ASME SA240 UNS S32100 applications include:

• Aerospace: sa 240/a 240 uns s32100 sheets for welded exhaust systems and engine components.
• Chemical Processing: UNS S32100 plates for reactors and heat exchangers.
• Power Generation: ASTM A240/ASME SA240 UNS S32100 bars for boiler components and superheaters.
• Petrochemical: Welded piping and fittings for high-temperature environments.
• Food Processing: Equipment requiring corrosion resistance and hygiene.

Case Study: A chemical plant in the UAE used sa 240/a 240 uns s32100 sheets for welded heat exchanger tubes, reducing corrosion-related downtime by 20% compared to sa 240/a 240 uns s30400.

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ASTM A240/ASME SA240 UNS S32100 vs Related Grades

 

To aid in material selection, here’s a comparison of sa 240/a 240 uns s32100 with sa 240/a 240 uns s32109, sa 240/a 240 uns s34700, and sa 240/a 240 uns s30400:

This comparison highlights the unique advantages of each grade, helping you select the optimal material for your project requirements.

Property	ASTM A240/ASME SA240 UNS S32100	ASME SA240 UNS S32109	ASME SA240 UNS S34700	ASME SA240 UNS S30400
UNS Number	S32100	S32109	S34700	S30400
Type	Austenitic	Austenitic	Austenitic	Austenitic
Chromium Content	17.0-19.0%	17.0-19.0%	17.0-19.0%	18.0-20.0%
Nickel Content	9.0-12.0%	9.0-12.0%	9.0-13.0%	8.0-10.5%
Stabilizer	Titanium (5xC min – 0.70%)	Titanium (4xC min – 0.70%)	Columbium (10xC min – 1.0%)	-
Carbon Content	≤ 0.08%	0.04-0.10%	≤ 0.08%	≤ 0.08%
Corrosion Resistance	Good in oxidizing environments	Good in high temps	Good in oxidizing environments	Good in mild environments
Strength	Moderate	High at high temps	Moderate	Moderate
Temp Range	Up to 900°C (1652°F)	Up to 900°C (1652°F)	Up to 900°C (1652°F)	Up to 870°C (1598°F)
Cost (USD/kg)	6-12	6-12	6-12	5-10
Applications	Aerospace, chemical	High-temp chemical	Aerospace, chemical	Food processing, architectural

• ASTM A240/ASME SA240 UNS S32100 vs ASME SA240 UNS S32109: S32100 offers excellent weldability for general high-temperature applications, while sa 240/a 240 uns s32109 provides enhanced creep resistance due to higher carbon.
• ASTM A240/ASME SA240 UNS S32100 vs ASME SA240 UNS S34700: S32100 uses titanium for stabilization, while sa 240/a 240 uns s34700 uses columbium, offering similar high-temperature performance with slight differences in weldability.
• ASTM A240/ASME SA240 UNS S32100 vs ASME SA240 UNS S30400: S32100 excels in high-temperature welded applications due to titanium stabilization, while sa 240/a 240 uns s30400 is cost-effective for mild environments.

Conclusion: Choose sa 240/a 240 uns s32100 for welded high-temperature applications, sa 240/a 240 uns s32109 for creep resistance, sa 240/a 240 uns s34700 for alternative stabilization, or sa 240/a 240 uns s30400 for cost-effective mild environments.

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ASTM A240/ASME SA240 UNS S32100 Equivalent Materials

 

ASTM A240/ASME SA240 UNS S32100aligns with international standards for global compatibility, ensuring seamless integration into projects worldwide.

The equivalent grades allow for flexibility in sourcing materials across different regions, making ASTM A240/ASME SA240 UNS S32100 a versatile choice for high-temperature welded applications.

Standard	Grade
UNS	S32100
W.Nr.	1.4541
EN	X6CrNiTi18-10
JIS	SUS 321
GB	0Cr18Ni10Ti
ASTM	A240 321
ASME	SA240 321

Note: ASTM A240/ASME SA240 UNS S32100 equivalent grades comply with sa 240/a 240 uns stainless grades, JIS, and GB standards, offering interchangeability with sa 240/a 240 uns s32109 for high-temperature applications.

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ASTM A240/ASME SA240 UNS S32100 Allowable Stress

 

The allowable stress values for ASTM A240/ASME SA240 UNS S32100, per ASME BPVC Section II, Part D, ensure reliable performance in high-temperature environments.

These values reflect the material’s ability to withstand mechanical stresses while maintaining corrosion resistance in high-temperature and oxidizing conditions.

Temperature (°C)	Allowable Stress (MPa)
100	150
200	140
300	130
400	120
500	110
600	100

Note: These values ensure sa 240/a 240 uns s32100 performs reliably in aerospace exhausts and chemical reactors.

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ASTM A240/ASME SA240 UNS S32100 Price

 

The ASTM A240/ASME SA240 UNS S32100 price per kg ranges from USD 6-12 per kg (FOB), influenced by several factors:

The balance of high-temperature performance and weldability makes ASTM A240/ASME SA240 UNS S32100 a cost-effective choice for demanding industrial applications.

• Alloy Content: Titanium stabilization increases costs slightly compared to sa 240/a 240 uns s30400.
• Market Demand: High demand in aerospace and chemical industries drives UNS S32100 price.
• Product Form: ASTM A240/ASME SA240 UNS S32100 plates may cost more than sheets due to processing complexity.
• Global Supply Chain: Freight and raw material availability impact ASTM A240/ASME SA240 UNS S32100 cost.

For a precise ASTM A240/ASME SA240 UNS S32100 price per kg or bulk discounts, contact Gangsteel at admin@gangsteel.com.

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Related Stainless Steel Grades

 

As a leading uns stainless supplier, Gangsteel offers a wide range of sa 240/a 240 uns stainless grades to complement sa 240/a 240 uns s32100 for various applications:

This diverse portfolio ensures clients can find the ideal material for their specific project needs, from corrosion resistance to high-temperature performance.

• sa 240/a 240 uns s30400: General-purpose austenitic stainless steel.
• sa 240/a 240 uns s30403: Low-carbon for enhanced weldability.
• sa 240/a 240 uns s30409: High-carbon for high-temperature strength.
• sa 240/a 240 uns s30908: Low-carbon for moderate high-temperature applications.
• sa 240/a 240 uns s31000: High-carbon for extreme high-temperature strength.
• sa 240/a 240 uns s31008: Low-carbon for enhanced weldability in high-temperature applications.
• sa 240/a 240 uns s31009: High-carbon for enhanced creep resistance.
• sa 240/a 240 uns s31600: Molybdenum-alloyed for chloride resistance.
• sa 240/a 240 uns s31603: Low-carbon for enhanced weldability in chloride environments.
• sa 240/a 240 uns s31700: High corrosion resistance for chemical processing.
• sa 240/a 240 uns s31703: Low-carbon for acidic environments.
• sa 240/a 240 uns s32109: High-carbon for enhanced creep resistance.
• sa 240/a 240 uns s34700: Stabilized for high-temperature corrosion resistance.
• sa 240/a 240 uns s34709: Enhanced creep resistance for high-temperature applications.
• sa 240/a 240 uns s30815: High-temperature corrosion resistance.
• sa 240/a 240 uns n08904: Superior sulfuric acid resistance for chemical applications.
• sa 240/a 240 uns s31254: High corrosion resistance for aggressive environments.
• sa 240/a 240 uns s43932: Ferritic for automotive exhaust systems.
• sa 240/a 240 uns s44400: Ferritic with high corrosion resistance for water tanks.
• sa 240/a 240 uns s2304: Lean duplex for structural applications.
• sa 240/a 240 uns s31803: Duplex for marine applications.
• sa 240/a 240 uns s32205: Duplex for enhanced corrosion resistance.
• sa 240/a 240 uns s32750: Super-duplex for aggressive environments.
• sa 240/a 240 uns s32760: Super-duplex for extreme corrosion resistance.
• sa 240/a 240 uns s32520: Duplex for high-strength applications.
• sa 240/a 240 uns s32550: Enhanced sulfuric acid resistance.

Note: These grades complement sa 240/a 240 uns s32100 in aerospace, chemical, and high-temperature applications. Contact Gangsteel for a full catalog to find the perfect material for your project.

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FAQ

 

Q: What is the main difference between ASTM A240/ASME SA240 UNS S32100 and ASME SA240 UNS S32109?

A: ASTM A240/ASME SA240 UNS S32100 offers excellent weldability for general high-temperature applications, while sa 240/a 240 uns s32109 has higher carbon for enhanced creep resistance in high-temperature environments.

Q: Is ASTM A240/ASME SA240 UNS S32100 suitable for aerospace applications?

A: Yes, its titanium stabilization ensures excellent high-temperature corrosion resistance and weldability, making it ideal for welded aerospace components compared to sa 240/a 240 uns s30400.

Q: How does the price of ASTM A240/ASME SA240 UNS S32100 compare to ASME SA240 UNS S34700?

A: ASTM A240/ASME SA240 UNS S32100 is comparably priced to sa 240/a 240 uns s34700, with slight variations due to titanium vs. columbium stabilization, offering similar high-temperature performance.

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Contact Us

 

For sa 240/a 240 uns s32100 quotes, technical data sheets, or custom solutions, contact Gangsteel at admin@gangsteel.com. Explore our sa 240/a 240 uns stainless grades portfolio for more options.

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